Weekend Gardener Your Weekly Electronic Gardening Guide
Practical Horticulture for Busy People.

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About This Plant...
Family: Liliaceae
Genus and species: Allium cepa
Growing Season: spring and fall
Indoor Sowing...
Time needed to reach transplant size: 4-6 weeks
When to transplant to garden: 6 weeks before to 2 weeks after last spring frost
Outdoor Sowing...
When to sow outdoors: 6 weeks before to 2 weeks after last spring frost
Other Sowing Guidelines...
Approx. germination time: 4-14 days
Germination temp.: 50-95 degrees F.
Sowing depth: 1/4 inch
Days to maturity: 75-150 days
Transplanting Guidelines...
Spacing between plants: 2-4 inches
Spacing between rows: 16-24 inches
Growing On...
Pests: onion maggot
Diseases: downy mildew
Harvest: pick scallions when they are 6-8 inches tall; pick bulb onions after the tops have fallen over and the bulbs develop a papery skin
Growing tips: plant sets or seedlings for a faster start


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